#bellow_top_menu #course_left_menu{
 	width: 23.6%;
    height:inherit;
    min-height:2000px;
    float:left;
 	font-family: 'Open Sans',sans-serif;;
 	font-size: 12px;
 	padding-bottom:0px;
    margin-bottom:0px;
    background: rgb(230, 244, 251);	
}

#course_box_name{
    width:100%;
    height: 30px;
    padding-top: 3px;
    padding-bottom: 3px;
    margin-top: 30px;
}
#course_name{
    width:auto;
    float: inside;
    margin-left: 2px;
    margin-right: 2px;
    height:auto;
    font-size:20px;
    font-weight:600;
    color: rgb(29, 156, 215);
    text-align:center;
}

.course_inf{
    width: 100%;
    height:auto;
    float: left;
    padding-top:4px;
    padding-bottom:4px;
    border-top: 2px solid rgb(255,255,255);
}
.course_inf ul
{
	padding:0;
	margin:5px;
	padding:0 5px 0 5px;
	list-style:none;
}
.course_inf ul li
{
        float: left;
        list-style: none;
        margin-right: 6px;
}

.course_ten_email{
    width: 50px;
    float:inside;
    margin-left: 3px;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
    color: rgb(255,255,255);
}

.course_data{
    width: 40%;
    float:inside;
    text-align:left;
    margin-right: 3px;
    font-size: 14px;
    font-weight: 600;
    color: rgb(255,255,255);
}

.course_link_left_menu{ 
    width: 100%;
    float: inside;
    font-size: 14px;
    font-weight: 600;
    color: rgb(255,255,255);
}

.course_link_left_menu a:link{
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    color: rgb(29, 156, 215);
    
}

.course_link_left_menu a:active{
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    color: rgb(29, 156, 215);
    
}

.course_link_left_menu a:hover{
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    color: rgb(29, 156, 215);
    
}

.course_link_left_menu a:visited{
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    color: rgb(29, 156, 215);
    
}

/*Khung boc ca phan noi dung*/
#course_wrapper{
    width: 95%;
    min-height: 500px;
    margin-top:20px;
    margin-left:20px;
    margin-bottom: 20px;
    margin-right: 20px;
    position:relative;
    background: rgb(255,255,255);
    
}

.lecture_name{
    width: 100%;
    height: 30px;
    margin-top: 10px;
    margin-bottom: 10px;
    padding-top:10px;
    padding-bottom: 0px;
    float: left;
    border-bottom: 1px solid #CCC;
    font: 1.2em/1.2em Georgia,Cambria,"Times New Roman",Times,serif;
    color: #646464;
}

.line_content{
    width: 100%;
    float:left;
    height:auto;
    padding: 0px;
}

.line_content .block_video {
    width: 350px;
    height: 200px;
    float: left;
    position: relative;
    padding-left: 5px;
    padding-right: 5px;
    margin: 1px 30px 0px 30px ;
    
}

.frame_video {
    width: 100%;
    float: left; 
}

.video_name {
    width: 100%;
    float: left;
    font-size: 20px;
    font-weight: 600; 
    color: rgb(0,0,0);
    text-align: center;
}

.video_display_frame {
    width: 100%;
    height:auto;
    float:left;
    padding-left: 2.5%;
    padding-top: 5px;
}